<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>hanshu</title>
</head>
<script type="text/javascript">
	
// function sum (ddd){
// 	unm = 0
// 	for (var i = 1; i <= ddd; i++) {
// 		unm += i
}

sux(1,2);//sdd
// 	};
// 	alert(unm)
// }

// sum(666)




function sux (dd=555,dc=22) {
	dddc = dd+dc
	alert(dddc)
                      



</script>
<body>
	
</body>
</html>